Cloaked in secrecy for over 400 years, the State Oracle of Tibet has been a strange and mystical aspect of the Tibetan Buddhist tradition. This ancient spirit, which has inhabited a succession of thirteen human mediums, advises the Dalai Lama on matters of public and religious policy. To witness the eerie spectacle of a medium entering a trance state and being possessed by the Oracle is to confront profound questions about the very nature of human consciousness.